remove 删除无用代码

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/ActTaskServiceImpl.java

@@ -649,9 +649,6 @@ public class ActTaskServiceImpl implements IActTaskService {
             ExecutionChildByExecutionIdCmd childByExecutionIdCmd = new ExecutionChildByExecutionIdCmd(task.getExecutionId());
             List<ExecutionEntity> executionEntities = managementService.executeCommand(childByExecutionIdCmd);
             //校验单据
-            if (BusinessStatusEnum.BACK.getStatus().equals(processInstance.getBusinessStatus())) {
-                throw new ServiceException("该单据已退回！");
-            }
             BusinessStatusEnum.checkBackStatus(processInstance.getBusinessStatus());
             //判断是否有多个任务
             List<Task> taskList = QueryUtils.taskQuery(processInstanceId).list();